Home / 50,420-69,579.60-28,063.52

Finding the Fourth Proportional to 50,420, 69,579.60 and 28,063.52

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Solution

The fourth proportional to 50,420, 69,579.60 and 28,063.52 is: 38,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420 : 69,579.60 = 28,063.52 : x
  2. Step 2: Convert to fraction form
    50,420/69,579.60 = 28,063.52/x
  3. Step 3: Cross multiply
    50,420x = 69,579.60 × 28,063.52
  4. Step 4: Simplify right side
    50,420x = 1,952,648,496.19
  5. Step 5: Solve for x
    x = 1,952,648,496.19/50,420
  6. Step 6: Final answer
    x = 38,727.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.